Timed for Star Wars: The Last Jedi, players also have the opportunity to ally themselves with the First Order or Resistance in order to win faction - specific rewards. (stevivor.com)
War of the Factions will track all multiplayer activities across all platforms from all players during the closed beta, and will reward players for fighting for their factions and honor the winning faction with additional rewards. (shortpause.com)
Everyone who pledged to the winning faction will be able to purchase it for 1,000 glimmer. (bungie.net)